2279744 has 28 divisors (see below), whose sum is σ = 4572000. Its totient is φ = 1127808.

The previous prime is 2279743. The next prime is 2279749. The reversal of 2279744 is 4479722.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11357 + ... + 11555.

2^2279744 is an apocalyptic number.

It is an amenable number.

2279744 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2279744 is a wasteful number, since it uses less digits than its factorization.

2279744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 380 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 2279744 is about 1509.8821146037. The cubic root of 2279744 is about 131.6119611083.

The spelling of 2279744 in words is "two million, two hundred seventy-nine thousand, seven hundred forty-four".